Speaking whilst infected with COVID-19 may cause it to spread
Thought LeadersDr. Keiko IshiiAssistant ProfessorAoyama Gakuin University
In this interview, News-Medical speaks to Dr. Keiko Ishii about her research efforts during the COVID-19 pandemic and how speaking whilst infected can cause the virus to spread, and why wearing masks is so important.
What provoked your research efforts into the COVID-19 pandemic?
Our research started when Professor Onishi of Yamano College of Aesthetics in Japan asked me for an image that would help to prevent the spread of infections at a beauty salon.
It is natural to be careful about sneezing and coughing in people who have symptoms. However, it has been identified that coronavirus can also be asymptomatic and that these people can be infectious, which may cause explosive spread.
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Covid update: 25 February 2021
25 Feb 2021
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A technician preparing a solar powered refrigerator for a dispensary in Kenya. Solar-powered refrigerators could be a game-changer in Africaâs fight against Covid-19 by helping the continent to store and distribute vaccines, especially in rural and remote areas with no connection to electricity.
As the world is rolling out mass vaccinations against Covid-19, experts from the Global Environment Facility-funded Sure Chill vaccine storage project in Colombia, Eswatini and Kenya add that equipping health facilities not connected to the national grid with solar-powered refrigerators could be key to reaching rural populations.
COVID-19 can spread from asymptomatic but infected people through small aerosol droplets in their exhaled breath. Most studies of the flow of exhaled air have focused on coughing or sneezing, which can send aerosols flying long distances.